butterfat {isdals} | R Documentation |
Butterfat and dairy cattle
Description
Average butterfat content (percentages) for random samples of 20 cows (10 two year olds and 10 mature (greater than four years old)) from each of five breeds.
Usage
data(butterfat)
Format
A data frame with 100 observations on the following 3 variables.
Butterfat
a numeric vector
Breed
a factor with levels
Ayrshire
Canadian
Guernsey
Holstein-Fresian
Jersey
Age
a factor with levels
2year
Mature
Source
Hand et al. (1993). A Handbook of Small Data Sets. Chapman and Hall
Examples
data(butterfat)
[Package isdals version 3.0.1 Index]